Rhodochrosite and Jacobsite Physical Properties

Rhodochrosite

Jacobsite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.0-3.3

4.76-5.03

1.5 Fracture

Uneven, Conchoidal, Conchoidal to uneven, Brittle

Conchoidal, Brittle

1.6 Cleavage

On {10 1 1} perfect; parting on {10 1 2}

None

1.7 Mohs Hardness

3.5-4

5.5-6.5

1.8 Chemical Composition

MnCO₃

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

Rhodochrosite and Jacobsite Chemical Formula

While comparing Rhodochrosite and Jacobsite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Rhodochrosite and Jacobsite chemical formula.

Chemical formula of Rhodochrosite- MnCO₃
Chemical formula of Jacobsite- (Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

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Rhodochrosite and Jacobsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rhodochrosite and Jacobsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rhodochrosite and Jacobsite Optical Properties during the identification of gemstone. Specific gravity of Rhodochrosite is 4.76-5.03 whereas that of Jacobsite is 4.76-5.03.